/*
 * JBoss, Home of Professional Open Source
 * Copyright 2006, JBoss Inc., and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package shake.jsf;

import javax.el.ELContext;
import javax.el.ExpressionFactory;
import javax.el.MethodExpression;
import javax.el.ValueExpression;

import shake.el.ELs;
import shake.servlet.ShakeServletContext;

public class ShakeExpresionFactory extends ExpressionFactory {
	ExpressionFactory expressionFactory;

	public ShakeExpresionFactory(ExpressionFactory expressionFactory) {
		this.expressionFactory = expressionFactory;
	}

	@Override
	public Object coerceToType(Object obj, Class targetType) {
		return expressionFactory.coerceToType(obj, targetType);
	}

	@Override
	public MethodExpression createMethodExpression(ELContext elContext,
			String expression, Class returnType, Class[] paramTypes) {
		ELs els = ShakeServletContext.getInjector().getInstance(ELs.class);
		return els.createMethodExpression(elContext, expression, returnType,
				paramTypes);

	}

	@Override
	public ValueExpression createValueExpression(Object instance,
			Class expectedType) {
		ELs els = ShakeServletContext.getInjector().getInstance(ELs.class);
		return els.createValueExpression(instance, expectedType);
	}

	@Override
	public ValueExpression createValueExpression(ELContext elContext,
			String expression, Class expectedType) {
		ELs els = ShakeServletContext.getInjector().getInstance(ELs.class);
		return els.createValueExpression(elContext, expression, expectedType);

	}

}